Change in osmo-bsc[master]: hodec2: fix congestion resolution on dyn TS

[neels]

Hello Jenkins Builder, pespin, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/c/osmo-bsc/+/22265

to look at the new patch set (#2).

Change subject: hodec2: fix congestion resolution on dyn TS
......................................................................

hodec2: fix congestion resolution on dyn TS

For handover algorithm 2, properly figure out what effects the target
cell will see for the *other* TCH kind when a handover would occupy a
dynamic timeslot.

Before this, only TCH/F or TCH/H would be regarded at a time. This
introduces detection of whether a dynamic timeslot would be occupied by
a handover, and how losing one unused dynamic timeslot affects the
congestion situation for the TCH kind that is not targeted by the
handover.

In other words, if a handover to TCH/F causes congestion in TCH/H
because of a dynamic timeslot becoming occupied, the handover will not
be performed. Before this, oscillation situations could occur.

A subsequent patch will do the same for congestion balancing.

Related: SYS#5297
Change-Id: I1536b60f03cb0aeb6ba14a72b518aec82fa572fe
---
M src/osmo-bsc/handover_decision_2.c
M tests/handover/test_dyn_ts_congestion_tch_f_vs_tch_h.ho_vty
2 files changed, 38 insertions(+), 20 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/65/22265/2
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: I1536b60f03cb0aeb6ba14a72b518aec82fa572fe
Gerrit-Change-Number: 22265
Gerrit-PatchSet: 2
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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